/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.android.tools.profilers.cpu.capturedetails

import com.android.tools.adtui.common.ColumnTreeBuilder.TreeSorter
import javax.swing.JTree
import javax.swing.SortOrder

class CpuTraceTreeSorter<T: Aggregate<T>>(private val tree: JTree,
                                          private val model: CpuTreeModel<T>,
                                          private var comparator: Comparator<CpuTreeNode<T>>) : TreeSorter<CpuTreeNode<*>> {
  init {
    sort(comparator as Comparator<CpuTreeNode<*>>, SortOrder.UNSORTED) //SortOrder Parameter is not used.
    tree.invalidate()
  }

  override fun sort(comparator: Comparator<CpuTreeNode<*>>, order: SortOrder) {
    this.comparator = compareBy { node: CpuTreeNode<*> -> node.base.isUnmatched }.then(comparator) as Comparator<CpuTreeNode<T>>
    sort()
  }

  fun sort() {
    val selectionPath = tree.selectionPath
    model.sort(comparator)
    tree.selectionPath = selectionPath
    tree.scrollPathToVisible(selectionPath)
  }
}